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Journal Article

Citation

Zhang T, Tao D, Qu X, Zhang X, Lin R, Zhang W. Transp. Res. C Emerg. Technol. 2019; 98: 207-220.

Copyright

(Copyright © 2019, Elsevier Publishing)

DOI

10.1016/j.trc.2018.11.018

PMID

unavailable

Abstract

The purpose of this study was to explore factors affecting users' acceptance of automated vehicles (AVs, Level 3). A theoretical acceptance model was proposed by extending the Technology Acceptance Model (TAM) with new constructs: initial trust and two types of perceived risk (i.e., perceived safety risk [PSR] and perceived privacy risk [PPR]). It was hypothesized that initial trust was built upon perception factors (i.e., perceived usefulness [PU], perceived ease of use [PEOU], PSR, and PPR) and was a key determinant of AV acceptance. The validity of the model was confirmed with a structure equation modeling analysis based on data collected from 216 survey samples.

RESULTS revealed that initial trust was the most critical factor in promoting a positive attitude towards AVs, which, together with PU, determined users' intention to use AVs. Initial trust could be enhanced by improving PU and reducing PSR associated with AVs. Theoretically, these findings suggest that initial trust offers another and probably more important pathway for other factors to impact consumers' adoption of systems with uncertainty. Practically, the findings provide guidance for designing interventions aimed at improving public's acceptance towards AVs.


Language: en

Keywords

Acceptance; Automated vehicles; Initial trust; Perceived risk; TAM

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